Police are investigating the deaths of two people at their residential property near La Pine in Klamath County.

The man and woman were found Tuesday in Gilchrist, six miles south of La Pine, after dispatchers received a 9-1-1 call from a neighbor, Oregon State Police said.

The neighbor had heard a gunshot and was checking the area when he spotted the dead man, Robert Gene Warnke, 73, on the driveway on Bills Road, http://maps.google.com/maps?f=q&hl=en&q=Bills+Road,+la+pine,+oregon&sll=37.0625,-95.677068&sspn=56.112824,109.335938&ie=UTF8&ll=43.55735,-121.591444&spn=0.812097,1.708374&z=9&om=1police said.

Inside the residence, a single-wide manufactured home, police found the dead woman, Sue Ann Glaspey-Warnke, 51, and a dead dog.

All three had been shot to death, and a firearm was found on the driveway near the dead man.

Oregon DMV records show that Martha Marie Warnke, 67, lives at the residence.

Anyone with information about this case is urged to call OSP Detective Dennis Yaws at 541-883-5713, ext. 321.